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CompletedPhase 3Results posted

A Study to Determine the Safety and Efficacy of Albiglutide in Subjects With Type 2 Diabetes

A Randomized, Double-blind, Placebo and Active-Controlled, Parallel-group, Multicenter Study to Determine the Efficacy and Safety of Albiglutide Administered in Combination With Metformin and Glimepiride Compared With Metformin Plus Glimepiride and Placebo and With Metformin Plus Glimepiride and Pioglitazone in Subjects With Type 2 Diabetes Mellitus

Lead sponsor

GlaxoSmithKline

Asset

Albiglutide

Subcutaneous · GLP-1 agonist

Listed sites

358

Recruiting sites

Enrollment

685

actual

Study population

Type 2 diabetes

Key I/E criterion

BMI 20-45

Primary endpoint

HbA1c, change

Footprint

Where this trial recruits

Site locations as reported to ClinicalTrials.gov. Site count is not enrollment count; per-site enrollment is not available from source.

Identifiers

Registered as

NCT IDNCT00839527
Org study ID112757

Timeline

Milestones

Study first posted2009-02-09estimated
Results first posted2014-07-01estimated
Last update posted2017-01-09estimated
Study start2009-02 (month precision)
Primary completion2012-01actual (month precision)
Study completion2013-04actual (month precision)

Assets

Investigational agents

Study populations

Who this study enrolls

Type 2 diabetes

Eligibility

Who can enroll

Minimum age18 Years
SexAll
Healthy volunteersNot accepted

Inclusion criteria

type 2 diabetes
BMI 20-45kg/m2 inclusive

Exclusion criteria

females who are pregnant, lactating, or less than 6 weeks post-partum
current symptomatic heart failure (NYHA Class II-IV)

Endpoints (9)

What's being measured

Protocol endpoints and posted registry outcome measures, grouped into outcome categories. Composite endpoints show their component event types. Standard codes (LOINC, SNOMED CT) are shown where available.

Coverage by outcome category

Glycemic / diabetes
7
Weight & body composition
2

Weight & body composition

2 endpoints
Secondary/protocol endpoint

Change From Baseline in Body Weight at Week 52

Time frame:Baseline and Week 52

Body weight, absolute change (kg)

change from baseline, improvement

Posted result

GroupValue (least_squares_mean), Kilograms95% CI
Placebo + Metformin + Glimepiride-0.40
Pioglitazone + Metformin + Glimepiride4.43
Albiglutide + Metformin + Glimepiride-0.42
Secondary/protocol endpoint

Change From Baseline in Body Weight at Week 104 and Week 156

Time frame:Baseline, Week 104, and Week 156

Body weight, absolute change (kg)

change from baseline, improvement

Posted result

GroupValue (mean), Kilograms95% CI
Placebo + Metformin + GlimepirideWeek 104, n=12, 130, 104-2.16
Week 156, n=9, 90, 71-4.47
Pioglitazone + Metformin + GlimepirideWeek 104, n=12, 130, 1046.28
Week 156, n=9, 90, 716.52
Albiglutide + Metformin + GlimepirideWeek 104, n=12, 130, 104-0.90
Week 156, n=9, 90, 71-1.53

Glycemic / diabetes

7 endpoints
Primary/protocol endpoint

Change From Baseline (BL) in Glycosylated Hemoglobin (HbA1c) at Week 52

Time frame:Baseline and Week 52

HbA1c, change

change from baseline, improvement

LOINC 4548-4

Posted result

GroupValue (least_squares_mean), Percentage of HbA1c in the blood95% CI
Placebo + Metformin + Glimepiride0.33
Pioglitazone + Metformin + Glimepiride-0.80
Albiglutide + Metformin + Glimepiride-0.55
Mean Difference (Net)-0.8795% CI-1.07-0.68p<0.0001ANCOVA
Mean Difference (Net)0.2595% CI0.100.40p0.2685t-test, 1 sided
Secondary/protocol endpoint

Change From Baseline in HbA1c at Week 104 and Week 156

Time frame:Baseline, Week 104, and Week 156

HbA1c, change

change from baseline, improvement

LOINC 4548-4

Posted result

GroupValue (mean), Percentage of HbA1c in the blood95% CI
Placebo + Metformin + GlimepirideWeek 104, n=12, 130, 104-0.32
Week 156, n=9, 89, 71-0.10
Pioglitazone + Metformin + GlimepirideWeek 104, n=12, 130, 104-1.09
Week 156, n=9, 89, 71-0.97
Albiglutide + Metformin + GlimepirideWeek 104, n=12, 130, 104-0.76
Week 156, n=9, 89, 71-0.46
Secondary/protocol endpoint

Change From Baseline in Fasting Plasma Glucose (FPG) at Week 52

Time frame:Baseline and Week 52

Fasting glucose, change

change from baseline, improvement

LOINC 1558-6

Posted result

GroupValue (least_squares_mean), Millimoles per liter (mmol/L)95% CI
Placebo + Metformin + Glimepiride0.64
Pioglitazone + Metformin + Glimepiride-1.74
Albiglutide + Metformin + Glimepiride-0.69
Secondary/protocol endpoint

Change From Baseline in FPG at Week 104 and Week 156

Time frame:Baseline, Week 104, and Week 156

Fasting glucose, change

change from baseline, improvement

LOINC 1558-6

Posted result

GroupValue (mean), Millimoles per liter (mmol/L)95% CI
Placebo + Metformin + GlimepirideWeek 104, n=12, 128, 1030.43
Week 156, n=9, 88, 71-0.50
Pioglitazone + Metformin + GlimepirideWeek 104, n=12, 128, 103-1.98
Week 156, n=9, 88, 71-1.94
Albiglutide + Metformin + GlimepirideWeek 104, n=12, 128, 103-0.99
Week 156, n=9, 88, 71-0.88
Secondary/protocol endpoint

Time to Hyperglycemia Rescue

Time frame:From the start of study medication until the end of the treatment (up to Week 156)

time to event, event

Posted result

GroupValue (median), Weeks95% CI
Placebo + Metformin + Glimepiride49.5738.86 – 55.14
Pioglitazone + Metformin + GlimepirideNANA – NA
Albiglutide + Metformin + Glimepiride137.7193.71 – NA
Secondary/protocol endpoint

Number of Participants Who Achieved Clinically Meaningful HbA1c Response Levels of <6.5%, <7%, and <7.5% at Week 52

Time frame:Week 52

HbA1c <6.5% achievement

threshold achievement, improvement

LOINC 4548-4

Posted result

GroupValue (number), Participants95% CI
Placebo + Metformin + GlimepirideHbA1c <6.5%4
HbA1c <7.0%10
HbA1c <7.5%19
Pioglitazone + Metformin + GlimepirideHbA1c <6.5%37
HbA1c <7.0%94
HbA1c <7.5%150
Albiglutide + Metformin + GlimepirideHbA1c <6.5%27
HbA1c <7.0%79
HbA1c <7.5%126
Secondary/protocol endpoint

Number of Participants Who Achieved Clinically Meaningful HbA1c Response Levels of <6.5%, <7%, and <7.5% at Week 156

Time frame:Week 156

HbA1c <6.5% achievement

threshold achievement, improvement

LOINC 4548-4

Posted result

GroupValue (number), Participants95% CI
Placebo + Metformin + GlimepirideHbA1c <6.5%1
HbA1c <7.0%3
HbA1c <7.5%5
Pioglitazone + Metformin + GlimepirideHbA1c <6.5%23
HbA1c <7.0%44
HbA1c <7.5%68
Albiglutide + Metformin + GlimepirideHbA1c <6.5%16
HbA1c <7.0%26
HbA1c <7.5%45

Publications (3)

Bibliography

Records linked to this trial through ClinicalTrials.gov references, PubMed NCT search, and curated study seeds. 'Canonical' marks design/result papers; others are registry references or candidates.

Registry references + supporting bibliography

Provenance

Sources

Trial identity, design, statusClinicalTrials.gov API v2
Snapshot dateJuly 1, 2026
Endpoint classificationDelfa endpoint taxonomy v2 (May 13, 2026)
Results tableClinicalTrials.gov results section

Trial facts come from public ClinicalTrials.gov records. Endpoint categories are Delfa's classification of those records, not a ClinicalTrials.gov field. All figures reflect the July 1, 2026 snapshot.